CN216227458U - Elbow indexing cutting device - Google Patents

Abstract

The utility model discloses a bend indexing cutting device, which comprises a base assembly, a rocker arm assembly and a flame cutting assembly, wherein the base assembly is provided with a first guide rail and a second guide rail; the base assembly comprises a square bottom plate, a vertical plate and an indexing rotary disc; the rocker arm assembly comprises a rocker arm, a distribution box, a supporting plate, an L-shaped frame, a servo motor, a rotary arm, a first adjusting device and a second adjusting device, and the rocker arm is connected with the indexing rotary disc through a cushion block; the flame cutting assembly comprises a flame cutting head, a lifting cylinder, a second sleeve and a second adjusting block, and the flame cutting assembly is installed at the tail end of the connecting rod. The utility model aims to provide a bent pipe indexing cutting device, which is used for cutting a standard bent pipe to obtain the bent pipe meeting the requirement of pipeline connection, completing the connection work at the position of a pipeline elbow, and improving the construction quality and the working efficiency.

Description

Elbow indexing cutting device

Technical Field

The utility model relates to the technical field of station pipeline network construction and elbow indexing cutting blanking, in particular to an elbow indexing cutting device.

Background

In the process of laying a pipe network, the corners need to be connected by elbows (also called elbows), the standard elbows have 45-degree specifications and 90-degree specifications and are used for connecting the corners of the pipe ends, welding grooves are arranged on two end faces of the elbows, the two pipes are tightly connected by welding, and the elbows used are different at different angles and distances of turning. However, in the field construction process, the corners of the pipeline can deform at different distances and angles, and the joint of the elbow of the pipeline deforms, so that the standard elbow cannot ensure that the butt joint surfaces are completely attached, and the standard elbow cannot be normally butted, thereby influencing the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bent pipe indexing cutting device, which is used for cutting a standard bent pipe to obtain the bent pipe meeting the requirement of pipeline connection, completing the connection work at the position of a pipeline elbow, and improving the construction quality and the working efficiency.

In order to achieve the purpose, the utility model provides an indexing cutting device for a bent pipe, which is characterized in that: comprises a base assembly, a rocker arm assembly and a flame cutting assembly;

the base assembly comprises a square bottom plate, a vertical plate and an indexing rotary disc; a circular protruding part is arranged at one vertex angle of the square bottom plate, a three-grab chuck is arranged above the circular protruding part, the vertical plate is vertically installed on one side, away from the circular protruding part, of the bottom plate, the vertical plate is connected with the bottom plate through a first triangular fixing frame, a first installation hole is formed in the middle of the vertical plate, an indexing rotary disc is arranged in the first installation hole, the indexing rotary disc comprises a hand wheel, a first sleeve and a rotary disc, the hand wheel is located above the first sleeve, and the first sleeve is in tangent connection with the rotary disc;

the rocker arm assembly comprises a rocker arm, a distribution box, a supporting plate, an L-shaped frame, a servo motor, a rotary arm, a first adjusting device and a second adjusting device; the rocker arm is connected with the indexing rotary disc through a cushion block, the rocker arm is installed on one side below the supporting plate, the distribution box is installed on one side, close to the rocker arm, above the supporting plate, the L frame is installed on one side, far away from the distribution box, of the supporting plate, the first adjusting device is installed on one side, close to the distribution box, of the bottom of the L frame, a transverse plate is arranged above the lateral portion of the L frame, a second mounting hole is formed in the middle of the lateral portion of the L frame, the second adjusting device is installed in the second mounting hole and comprises a first adjusting block and a first adjusting screw rod, the first adjusting screw rod penetrates through the transverse plate and is in threaded connection with the transverse plate, the first adjusting block is connected below the first adjusting screw rod, a first through hole is formed in the middle of the first adjusting block, a bearing is arranged at one end of the rotary arm, and a rotating shaft of the servo motor penetrates through the first through hole and is connected with the bearing, the other end of the rotary arm is provided with a second through hole, and the second through hole is connected with the connecting rod;

the flame cutting assembly is mounted at the end of the connecting rod.

Preferably, the radius of the three-grip chuck is the same as the radius of the circular protrusion.

Preferably, four fixed rods are arranged on one side, away from the vertical plate, of the rotating disc, four first grooves are formed in the outer edge of the cushion block, a circular connecting portion connected with the cushion block is arranged on the rocker arm, the radius of the circular connecting portion is the same as that of the cushion block, four second grooves are formed in the outer edge of the circular connecting portion, the first grooves are communicated with the second grooves to form connecting grooves, and the fixed rods penetrate through the connecting grooves and are connected with fixing nuts.

Preferably, the bottom of the L frame and the lateral part of the L frame are connected through a triangular fixing frame II, one side, away from the lateral part of the L frame, of the bottom of the L frame is provided with a first dividing ruler, and one side, away from the distribution box, of the adjusting device II is provided with a second dividing ruler.

Preferably, the flame cutting assembly comprises a flame cutting head, a lifting cylinder, a second sleeve and a second adjusting block, a cavity is formed in the second adjusting block, a first gear shaft is arranged at the upper part in the cavity, the first gear shaft penetrates through the side wall of the cavity and is connected with a first adjusting nut, a first rack is arranged at the tail end of the connecting rod, and the first rack penetrates through the cavity and is meshed with the first gear shaft;

the flame cutting head is connected to the bottom of the lifting cylinder, one side of the second sleeve is fixedly connected with the second adjusting block, a second rack is arranged on the outer side of the lifting cylinder, a second gear shaft meshed with the second rack is arranged in the second sleeve, and the second gear shaft penetrates through the second sleeve and is connected with the second adjusting nut.

Therefore, the indexing cutting device for the bent pipe, which adopts the structure, can cut the standard bent pipe to cut the bent pipe meeting the pipeline connection requirement, complete the connection work at the elbow part of the pipeline, is convenient to operate, and improves the construction quality and the working efficiency.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic view of an embodiment of an elbow indexing and cutting apparatus of the present invention;

FIG. 2 is a schematic structural view of a base assembly of an elbow indexing cutting apparatus according to the present invention;

FIG. 3 is a schematic structural view of a rocker arm assembly of an elbow indexing cutting device according to the present invention;

FIG. 4 is a schematic view of a flame cutting assembly of an elbow indexing cutting apparatus according to the present invention;

fig. 5 is a schematic view illustrating the connection of a first gear shaft and a first rack of the elbow pipe indexing cutting device according to the present invention.

Reference numerals:

1. a base assembly; 2. a rocker arm assembly; 3. a base plate; 4. a three-grab chuck; 5. indexing a rotary disc; 6. a vertical plate; 7. a pipe elbow; 8. a hand wheel; 9. a first sleeve; 10. rotating the disc; 11. fixing the rod; 12. a first triangular fixing frame; 13. a support plate; 14. a distribution box; 15. a rocker arm; 16. cushion blocks; 17. an L frame; 18. a servo motor; 19. a swivel arm; 20. a flame cutting assembly; 21. a flame cutting head; 22. a first adjusting device; 221. a third adjusting block; 222. adjusting a screw rod II; 23. a second adjusting device; 231. adjusting a first screw rod; 232. a first adjusting block; 24. a second sleeve; 25. a lifting cylinder; 26. a second adjusting block; 27. a connecting rod; 28. a second triangular fixing frame; 29. a second mounting hole; 30. a second through hole; 31. a first graduated scale; 32. a second graduated scale; 33. a first rack; 34. a second rack; 35. a first gear shaft; 36. a second gear shaft; 37. adjusting a first nut; 38. and adjusting a second nut.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is a schematic view of an embodiment of an elbow pipe indexing and cutting device of the present invention, and fig. 2 is a schematic view of a base assembly of the elbow pipe indexing and cutting device of the present invention, which includes a base assembly 1, a rocker arm assembly 2, and a flame cutting assembly 20; the base assembly 1 comprises a square bottom plate 3, a vertical plate 6 and an indexing rotary disc 5; a round protruding part is arranged at one vertex angle of the square bottom plate 3, a three-grabbing chuck 4 is arranged above the round protruding part, the radius of the three-grabbing chuck 4 is the same as that of the round protruding part, and the radius of the three-grabbing chuck 4 is the same as that of the round protruding part, so that the three-grabbing chuck 4 is more stably connected with the pipe elbow 7.

The vertical plate 6 is vertically arranged on one side, far away from the circular protruding portion, of the bottom plate 3, the vertical plate 6 is connected with the bottom plate 3 through the triangular fixing frame I12, and the stability of connection of the bottom plate 3 and the vertical plate 6 is enhanced. The middle of the vertical plate 6 is provided with a first mounting hole, an indexing rotary disc 5 is arranged in the first mounting hole, the indexing rotary disc 5 comprises a hand wheel 8, a first sleeve 9 and a rotary disc 10, the hand wheel 8 is located above the first sleeve 9, the first sleeve 9 is connected with the rotary disc 10 in a tangent mode, and the hand wheel 8 is rotated to drive the indexing rotary disc 5 to rotate. The side, far away from the vertical plate 6, of the rotating disc 10 is provided with four fixing rods 11, the edge of the outer side of the cushion block 16 is provided with four first grooves, the rocker arm 15 is provided with a circular connecting portion connected with the cushion block 16, the radius of the circular connecting portion is the same as that of the cushion block 16, the edge of the outer side of the circular connecting portion is provided with four second grooves, the first grooves are communicated with the second grooves to form connecting grooves, the fixing rods 11 penetrate through the connecting grooves and are fixedly connected with fixing nuts, the fixing rods 11 are fastened through the fixing nuts, and the indexing rotary disc 5 is more stably connected with the cushion block 16 and the rocker arm 15.

Fig. 3 is a schematic structural diagram of a rocker arm assembly of the elbow pipe indexing cutting device of the present invention, and as shown in the drawing, the rocker arm assembly 2 includes a rocker arm 15, a distribution box 14, a supporting plate 13, an L-shaped frame 17, a servo motor 18, a rotating arm 19, a first adjusting device 22, and a second adjusting device 23; the rocker arm 15 is connected with the indexing rotary disk 5 through a cushion block 16, the cushion block 16 can reduce friction, and damage to a contact surface caused by direct contact of the rocker arm 15 and the indexing rotary disk 5 is avoided. Rocker arm 15 installs in layer board 13 below one side, and block terminal 14 installs in layer board 13 top and is close to one side of rocker arm 15, and block terminal 14 can rationally distribute the electric energy, makes things convenient for control circuit's break-make.

The L-shaped frame 17 is installed on one side, far away from the distribution box 14, of the supporting plate 13, the first adjusting device 22 is installed on one side, close to the distribution box 14, of the bottom of the L-shaped frame 17, the first adjusting device 22 comprises a third adjusting block 221 and a second adjusting screw 222, the second adjusting screw 222 is connected to the supporting plate 13 through threads and fasteners, the tail end of the second adjusting screw 222 is connected with the third adjusting block 221, and the position of the third adjusting block 221 is moved by rotating the second adjusting screw 222, so that the position of the L-shaped frame 17 in the horizontal direction is finely adjusted. The bottom of the L frame 17 is connected with the side of the L frame 17 through a second triangular fixing frame 28, and the stability of the connection of the bottom of the L frame 17 and the side of the L frame 17 is enhanced by the second triangular fixing frame 28. One side that L frame 17 lateral part was kept away from to L frame 17's bottom is equipped with scale 31, and L frame 17's lateral part top is equipped with the diaphragm, is equipped with mounting hole two 29 in the middle of L frame 17's the lateral part, installs adjusting device two 23 in the mounting hole two 29, and adjusting device two 23 one side of keeping away from block terminal 14 is equipped with scale two 32, is convenient for adjust flame cutting assembly 20's position through referring to scale 31, scale two 32, improves its precision of aiming at.

The second adjusting device 23 comprises a first adjusting block 232 and a first adjusting screw 231, the first adjusting screw 231 penetrates through the transverse plate to be in threaded connection with the transverse plate, the first adjusting block 232 is connected to the lower portion of the first adjusting screw 231, a first through hole is formed in the middle of the first adjusting block 232, a bearing is arranged at one end of the slewing arm 19, a rotating shaft of the servo motor 18 penetrates through the first through hole to be connected with the bearing, the servo motor 18 drives the slewing arm 19 to rotate, the speed of the slewing arm 19 in the rotating process can be adjusted, and the slewing arm 19 can be precisely controlled to rotate. The other end of the rotary arm 19 is provided with a second through hole 30, the second through hole 30 is connected with a connecting rod 27, the tail end of the connecting rod 27 is provided with a flame cutting assembly 20, and the position of the rotary arm 19 in the vertical direction is finely adjusted by adjusting a second adjusting device 23, so that the flame cutting head 21 can be aligned to the bend marking position.

FIG. 4 is a schematic view of a flame cutting assembly of an elbow indexing cutting apparatus according to the present invention; fig. 5 is a schematic view illustrating the connection of a first gear shaft and a first rack of the elbow pipe indexing cutting device according to the present invention. As shown in the figure, the flame cutting assembly 20 comprises a flame cutting head 21, a lifting cylinder 25, a second sleeve and a second 24 adjusting block 26, a cavity is formed in the second adjusting block 26, a first gear shaft 35 is arranged at the upper portion in the cavity, the first gear shaft 35 penetrates through the side wall of the cavity and is connected with a first adjusting nut 37, a first rack 33 is arranged at the tail end of the connecting rod 27, the first rack 33 penetrates through the cavity and is connected with the first gear shaft 35 in a meshed mode, and the first adjusting nut 37 is adjusted to enable the flame cutting assembly 20 to move in the horizontal direction. The flame cutting head 21 is connected to the bottom of the lifting cylinder 25, one side of the second sleeve 24 is fixedly connected with the second adjusting block 26, the second rack 34 is arranged on the outer side of the lifting cylinder 25, the second gear shaft 36 meshed with the second rack 34 is arranged in the second sleeve 24, the second gear shaft 36 penetrates through the second sleeve 24 and is connected with the second adjusting nut 38, the flame cutting assembly 20 is enabled to move in the vertical direction by adjusting the second adjusting nut 38, and the flame cutting head 21 can be aligned to the bend pipe marking line.

The specific working principle is as follows: installing one end of a pipe elbow (selected standard elbow) to be cut in a three-grab chuck, rotating an indexing rotary disc through an adjusting hand wheel, driving a rocker arm to rotate by the indexing rotary disc, enabling a flame cutting head to be approximately aligned with a marking position of the pipe elbow, referring to a first scale, adjusting the position of an L frame by a first fine adjustment adjusting device, referring to a second scale, adjusting a second fine adjustment adjusting device, adjusting the position of a rotary arm, adjusting a first adjusting nut and a second adjusting nut, adjusting the position of the flame cutting head, enabling the flame cutting head to accurately position the marking position of the elbow, opening a servo motor, driving the rotary arm to rotate, and then carrying out accurate cutting operation on the marking position of the elbow by the flame cutting head to obtain the elbow meeting the pipeline connection.

Therefore, according to the elbow indexing cutting device adopting the structure, the rocker arm is driven to rotate through the indexing rotary disc, the positions of the L frame, the rotary arm and the flame cutting head are adjusted, the flame cutting head is enabled to accurately position the marking position of the elbow of the pipe, the servo motor drives the rotary arm to rotate, the flame cutting head performs cutting work, the elbow which is in line with the pipeline connection is obtained, the connection work of the elbow of the pipeline is completed, the operation is convenient, and the construction quality and the work efficiency are improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a return bend graduation cutting device which characterized in that: comprises a base assembly, a rocker arm assembly and a flame cutting assembly;

the base assembly comprises a square bottom plate, a vertical plate and an indexing rotary disc; a circular protruding part is arranged at one vertex angle of the square bottom plate, a three-grab chuck is arranged above the circular protruding part, the vertical plate is vertically installed on one side, away from the circular protruding part, of the bottom plate, the vertical plate is connected with the bottom plate through a first triangular fixing frame, a first installation hole is formed in the middle of the vertical plate, an indexing rotary disc is arranged in the first installation hole, the indexing rotary disc comprises a hand wheel, a first sleeve and a rotary disc, the hand wheel is located above the first sleeve, and the first sleeve is in tangent connection with the rotary disc;

the rocker arm assembly comprises a rocker arm, a distribution box, a supporting plate, an L-shaped frame, a servo motor, a rotary arm, a first adjusting device and a second adjusting device; the rocker arm is connected with the indexing rotary disc through a cushion block, the rocker arm is installed on one side below the supporting plate, the distribution box is installed on one side, close to the rocker arm, above the supporting plate, the L frame is installed on one side, far away from the distribution box, of the supporting plate, the first adjusting device is installed on one side, close to the distribution box, of the bottom of the L frame, a transverse plate is arranged above the lateral portion of the L frame, a second mounting hole is formed in the middle of the lateral portion of the L frame, the second adjusting device is installed in the second mounting hole and comprises a first adjusting block and a first adjusting screw rod, the first adjusting screw rod penetrates through the transverse plate and is in threaded connection with the transverse plate, the first adjusting block is connected below the first adjusting screw rod, a first through hole is formed in the middle of the first adjusting block, a bearing is arranged at one end of the rotary arm, and a rotating shaft of the servo motor penetrates through the first through hole and is connected with the bearing, the other end of the rotary arm is provided with a second through hole, and the second through hole is connected with the connecting rod;

the flame cutting assembly is mounted at the end of the connecting rod.

2. The elbow pipe indexing cutting device according to claim 1, wherein: the radius of the three-grip chuck is the same as the radius of the lobe.

3. The elbow pipe indexing cutting device according to claim 1, wherein: the side, away from the vertical plate, of the rotating disc is provided with four fixing rods, the edge of the outer side of the cushion block is provided with a first groove, the rocker arm is provided with a circular connecting portion connected with the cushion block, the radius of the circular connecting portion is the same as that of the cushion block, the edge of the outer side of the circular connecting portion is provided with a second groove, the first groove is communicated with the second groove to form a connecting groove, and the fixing rods penetrate through the connecting groove and are connected with fixing nuts.

4. The elbow pipe indexing cutting device according to claim 1, wherein: the bottom of L frame with the lateral part of L frame passes through triangle mount two to be connected, keep away from in the bottom of L frame one side of the lateral part of L frame is equipped with scale one, adjusting device two is kept away from one side of block terminal is equipped with scale two.

5. The elbow pipe indexing cutting device according to claim 1, wherein: the flame cutting assembly comprises a flame cutting head, a lifting cylinder, a sleeve II and an adjusting block II, a cavity is formed in the adjusting block II, a first gear shaft is arranged at the upper part in the cavity, the first gear shaft penetrates through the side wall of the cavity and is connected with a first adjusting nut, a first rack is arranged at the tail end of the connecting rod, and the first rack penetrates through the cavity and is meshed with the first gear shaft;

the flame cutting head is connected to the bottom of the lifting cylinder, one side of the second sleeve is fixedly connected with the second adjusting block, a second rack is arranged on the outer side of the lifting cylinder, a second gear shaft meshed with the second rack is arranged in the second sleeve, and the second gear shaft penetrates through the second sleeve and is connected with the second adjusting nut.

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